diff --git a/compiler/i386/cpupara.pas b/compiler/i386/cpupara.pas
index 39b7116481..7edf65317a 100644
--- a/compiler/i386/cpupara.pas
+++ b/compiler/i386/cpupara.pas
@@ -103,6 +103,7 @@ unit cpupara;
                     { Win32 GCC returns small records in the FUNCTION_RETURN_REG.
                       For stdcall we follow delphi instead of GCC }
                     if (calloption in [pocall_cdecl,pocall_cppdecl]) and
+                       (def.size>0) and
                        (def.size<=8) then
                      begin
                        result:=false;
@@ -116,7 +117,8 @@ unit cpupara;
               case def.deftype of
                 recorddef : 
                   begin
-                    if (def.size <= 8) then
+                    if (def.size > 0) and
+                       (def.size <= 8) then
                       begin
                         result := false;
                         exit;